Standard atmospheric condition: Operating temperature range : -25 70 Celsius Storage temperature range : -25 80Celsius Rated voltage: DC 12V Rated current: DC 1A Humidity range: 85%RH MAX ,: Unless otherwise specified ,the standard range of atmospheric conditions for masking Measurements and tests are as follows: Ambient temperature: 15 35Celsius Relative humidity: 25% 85% Air pressure: 86 KPa 106 KPa , . If there is any doubt about the results, measurements shall be made within the following limits: Ambient temperature: 20±2 Celsius Relative humidity: 60% to 70% Air pressure :86KPa106Kpa rca socket, AV plug, rca jack